Frequencies for first 10,000 rows of fmapsr variable in natl1980 dataset :

Five Minute |
Apgar Score |
     Recode |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |         57        0.57        0.57
          2 |        135        1.35        1.92
          3 |        934        9.34       11.26
          4 |      8,807       88.07       99.33
          5 |         67        0.67      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 3 Jan 2016